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L6203 The STMicroelectronics L6203 is a Half Bridge Driver IC with a 4A current rating and a voltage range of 12V to 48V. It features a Bootstrap Circuit and Over Temperature protection.
Mfr Part #:

L6203

Available from 10 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L6203 is a Half Bridge Driver IC with a 4A current rating and a voltage range of 12V to 48V. It features a Bootstrap Circuit and Over Temperature protection.
✓ Total Stock: 75,449 pcs
$ Price Range: $0.75

L6203 Available from 10 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
32,100 pcs
On Request
32100 pcs On Request 1 On Request On Request 21+ On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
22,215 pcs
On Request
22215 pcs On Request 1 On Request On Request 2052+ On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
10,000 pcs
On Request
10000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Fe Components ✓
Non-Authorised Inventory information
4,245 pcs
On Request
4245 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
3,520 pcs
On Request
3520 pcs On Request 1 On Request On Request 22+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,314 pcs
On Request
3314 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
24 pcs
On Request
24 pcs On Request 1 On Request On Request On Request On Request On Request
Chanetech ✓
Non-Authorised Inventory information
12 pcs
On Request
12 pcs On Request 1 On Request On Request On Request On Request On Request
Hybrid Electronics ✓
Non-Authorised Inventory information
10 pcs
On Request
10 pcs On Request 1 On Request On Request 431 On Request On Request
Partservice ✓
Non-Authorised Inventory information
9 pcs
On Request
9 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

L6203 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Fault Protection
Features
Interface
Load Type
Mounting Type
Operating Temperature
Output Configuration
Rds On (Typ)
Supplier Device Package
Technology
Voltage
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L6203 Description

Short technical summary and product information.

The STMicroelectronics L6203 is a Half Bridge Driver IC designed for applications such as DC Motors and general-purpose use. It operates within a voltage range of 12V to 48V and can handle a current of 4A.

 

Key electrical characteristics include an Rds On (Typ) of 300 mOhm and it utilizes BCDMOS technology. The device features a Bootstrap Circuit for efficient high-side drive and includes Over Temperature fault protection for enhanced reliability.

 

This component is housed in a Multiwatt-11 package and is designed for Through Hole mounting. Its operating temperature range is from -40°C to 150°C (TJ). The L6203 is suitable for applications requiring robust half-bridge driving capabilities.

 

Environmental compliance includes RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status, though these are based on available data and should be verified.

L6203 Quick Information

Product Type: Half Bridge Driver
Canonical Name: STMicroelectronics L6203 Half Bridge Driver
Subcategory: Half Bridge Driver

L6203 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

L6203 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

L6203 Features

  • Drives half bridge configurations.
  • Handles 4A current rating.
  • Operates from 12V to 48V.
  • Features Bootstrap Circuit.
  • Includes Over Temperature protection.

L6203 Applications

  • Motor drive for DC motors
  • Stepper motor driver applications
  • Solenoid and relay driver
  • Inductive load switching circuits
  • Half-bridge power converter designs

L6203 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the L6203?

The L6203 operates from 12V to 48V.

What is the output current rating of the L6203?

The L6203 is rated for 4A output current.

What is the typical on-resistance of the L6203?

The typical on-resistance is 300 mOhm.

What is the operating temperature range of the L6203?

The L6203 operates from -40°C to 150°C.

What package does the L6203 come in?

The L6203 is available in a Multiwatt-11 through-hole package.

What type of load is the L6203 designed for?

The L6203 is designed for inductive loads.

What fault protection does the L6203 include?

The L6203 includes over-temperature fault protection.

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